TY  - BOOK
TI  - Our world troungh english 5: The functional english language course for the Republic of Ecuador  
SN  - 9978402179
U1  - 421 
PY  - 2000///
CY  - Quito, Ecuador
PB  - Edimpres
KW  - Inglés básico
N1  - Revision unit -- Core units -- Extension units and testing materials -- Tapescripts -- Verb list.
ER  -